Improvement in sheet-metal cans



H. MILLER. SHEET METAL CAN. 6

No. 40,661. I Patented Nov. 17," 1863.

W I v a Ja e/a57 constructed according to my invention.

C the top, of the can.

. UNITED STATE PATENT OFFICE.

HERMAN MILLER, OF'NEV YORIQN. Y., ASSIGNOR TO CHAS. T. RAYNOLDS,

FREDK. XV. DEVOE, AND CHARLES PRATT, OF SAME PLACE.

IMPROVEMENT IN SH EET-METAL .CANS.

Specification forming part ofLctters Patent No. 40,661 dated November 17', 1863. I

To aZZ whom it may concern:

Be it known that I, HERMAN MILLER, of the city, county, and State of New York, have invented a new and useful Improvement in Cans and other Vessels Made of Sheet Metal; and I do'hereby'declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification. in which- Figure 1 is a vertical section of a tin can 2 is a horizontal section of the same. Fig. 3 is a transverse section of one of the joints in position for soldering.

. made to form a double rib projecting directly inward from the interior of the vessel, and

secure by Letters Patent, is-- v Making the seams or joints of sheet-metal give the vessel much greater stiffness than any other kind of joint. 7

A A are the side' plates, B the bottom, and a a are the marginal portions, which are turned in singly to form. the joints: The can being square,- the portions a a are all turned in at angles of forty-five degrees to their respective plates, that the face of each may match the face of the one which comes next to it, as shown. in the drawings. If the can is of any other angular form, the marginal portions a a are turned in in the same Fig.

sides-of a circular can, the said marginal per-- tions are radial to the circle of the body of the can. I generally make the said turned-in por-' tions it a about a quarter of an inch wide; but

the width may be varied to suit circumstances.

To solder the joint, I place the two turnedin portions a a together in a vice or clamp having its jaws of suitable form to clamp them together with the outer angle of the seam upward. Thesolder is then applied along the angle of the joint, followedby the hotsoldering-iron, and the solder caused to run in between the two turned-in portions or a of the plates, and so unite them securely, forming the double rib projecting directly inward from the interior of the vessel, such rib giving greater strength and' stiffness to the vessel than any other kind of joint, and making as close and secure a joint as when the joint is made with a lap.

What I claim as my invention, and desire to vessels by turning in the marginal portions singly at proper angles and soldering the faces .of the said portions together to form a double inwardlyprojecting rib, substantially as herein described. v v

' HERMAN MILLER.

Witnesses:

GEo. W. REED, M. M. LIVINGSTON. 

